High quality die grinders are available in multiple power ratings and speeds. Common power is 0.3HP, 0.4HP, 0.6HP, 0.9HP, 1HP, or more. Speeds are often 12000, 15000, 18000, 20000, 25000, 30000 RPM...
A lot of the abrasives I use are rated for 25,000 RPM for both 2 and 3".
I am wondering if...